1. Pharyngeal arches 2. The pharyngeal (Branchial) apparatus : It consists of : 1-pharyngeal arches. 2-pharyngeal pouches. 3-pharyngeal grooves. 4-pharyngeal membranes.…
DEVELOPMENT OF THE HEAD & NECK 1. Pharyngeal Arches a. Each arch (pharyngeal membrane) has: i. Ectoderm (clefts) ii. Endoderm (pouches) iii. Mesenchymeâfrom neural crest…